Soundflower

Version: 1.5.1 || Release Date: 2009-09-02 || License: GPL Developer: cycling 74 | App Owner: bnims

Free Inter-application Audio Routing Utility for Mac OS X

Soundflower is a MacOS system extension that allows applications to pass audio to other applications. Soundflower is easy to use, it simply presents itself as an audio device, allowing any audio application to send and receive audio with no other support needed.

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3 Opinions

But the UI is very confusing.
Who's on first...?

This is a cool way to digitally patch any audio source on your computer into a voice or video chat...

e.g. "listen to this song I just made!"